CN219256332U - Core-pulling injection mold for automobile plastic part - Google Patents
Core-pulling injection mold for automobile plastic part Download PDFInfo
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- CN219256332U CN219256332U CN202223524395.4U CN202223524395U CN219256332U CN 219256332 U CN219256332 U CN 219256332U CN 202223524395 U CN202223524395 U CN 202223524395U CN 219256332 U CN219256332 U CN 219256332U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model provides a core-pulling injection mold for an automobile plastic part, which comprises an upper mold, an upper mold core, a lower mold core and an inclined rod core-pulling assembly, wherein a cavity is arranged between the upper mold core and the lower mold core; the diagonal rod core pulling assembly comprises a fixed seat, a middle connecting seat, diagonal inserts and two diagonal rods, wherein the fixed seat and the middle connecting seat are arranged in a lower die, the diagonal rods are respectively connected with the diagonal inserts, the middle connecting seat and the fixed seat, the diagonal rods extend obliquely along the die opening direction, the diagonal rods can drive the diagonal inserts to move along the vertical die opening direction during die opening, hollow channels are formed in each diagonal rod in a penetrating manner, a cooling waterway is arranged in the diagonal inserts, and two ends of the cooling waterway are respectively communicated with the two hollow channels. The automobile plastic part core-pulling injection mold can effectively reduce the temperature of an insert and is convenient to demold.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a core-pulling injection mold for an automobile plastic part.
Background
For some plastic parts with complex structures and bone depths, a plurality of core pulling mechanisms are generally arranged in an injection mold, and each core pulling mechanism is provided with at least one insert. In the injection molding process, the temperature of the insert is higher due to continuous heat absorption, if the insert is cooled by heat conduction by virtue of a cooling water path in the mold core, the cooling effect of the insert is poor, the demolding difficulty is easily caused, and even the demolding blocking phenomenon occurs.
Disclosure of Invention
The utility model aims to provide a core-pulling injection mold for an automobile plastic part, which can effectively reduce the temperature of an insert and is convenient to demold.
In order to achieve the above purpose, the utility model provides a core-pulling injection mold for an automobile plastic part, which comprises an upper mold, an upper mold core, a lower mold core and an inclined rod core-pulling assembly, wherein a cavity is arranged between the upper mold core and the lower mold core; the diagonal rod core pulling assembly comprises a fixed seat, a middle connecting seat, diagonal inserts and two diagonal rods, wherein the fixed seat and the middle connecting seat are arranged in a lower die, the diagonal rods are respectively connected with the diagonal inserts, the middle connecting seat and the fixed seat, the diagonal rods extend obliquely along the die opening direction, the diagonal rods can drive the diagonal inserts to move along the vertical die opening direction during die opening, hollow channels are formed in each diagonal rod in a penetrating manner, a cooling waterway is arranged in the diagonal inserts, and two ends of the cooling waterway are respectively communicated with the two hollow channels.
According to the scheme, the inclined insert is arranged for forming the bone position inside the automobile plastic part, the cooling water channel is formed inside the inclined insert, the hollow channel is formed in the inclined rod, the cooling water inside the inclined insert can circularly flow, the temperature of the inclined insert is rapidly reduced, the cooling water channel of the inclined insert and the cooling water channel of the die core are separately arranged, the die core and the inclined insert can be guaranteed to be simultaneously and uniformly cooled, and smooth demolding and improvement of product quality are facilitated.
The further scheme is that the middle part of the cooling water path extends along the thickness and the width of the inclined insert, both ends of the cooling water path penetrate out of the same side wall of the inclined insert and form mounting holes, and one end of the inclined rod is connected in the two mounting holes respectively.
The automobile plastic part core-pulling injection mold further comprises a first core-pulling component, a second core-pulling component and a third core-pulling component which are all arranged on the first end of the cavity, wherein the first core-pulling component is arranged on the lower mold, and the second core-pulling component and the third core-pulling component are all arranged on the upper mold; the first core pulling assembly comprises a first insert, the second core pulling assembly comprises a second insert, the third core pulling assembly comprises a third insert, the third insert is arranged between the first insert and the second insert, the first insert, the second insert and the third insert all extend obliquely along the die opening direction, and the first insert, the second insert and the third insert all can move along the respective extending directions when the die is opened, and cooling channels are formed in the first insert, the second insert and the third insert.
The third insert is cylindrical, a first arc-shaped groove is formed in one end of the first insert, a second arc-shaped groove is formed in one end of the second insert, the first arc-shaped groove and the second arc-shaped groove are respectively sleeved on the outer side of the third insert and form a first annular groove, and the first annular groove is communicated with the cavity.
The first core pulling assembly further comprises a first driving device, a first positioning seat and a first sliding piece, wherein the first sliding piece is arranged on the first positioning seat in a sliding manner and is connected with the first driving device, and a first sliding groove is formed in the first sliding piece, extends along a curve and has different heights in the die opening direction; the other end of the first insert is provided with a first convex column, the first convex column is inserted in the first chute and can move along the extending direction of the first chute, and the first driving device drives the first sliding piece to move along the extending direction of the first sliding piece, so that the first insert moves up and down obliquely along the die opening direction.
The second core pulling assembly further comprises a second driving device, a second positioning seat and a second sliding piece, wherein the second sliding piece is arranged on the second positioning seat in a sliding manner and is connected with the second driving device, a second sliding groove is formed in the second sliding piece, extends along a curve and has different heights in the die opening direction; the other end of the second insert is provided with a second convex column which is inserted in the second sliding groove and can move along the extending direction of the second sliding groove, and the second driving device drives the second sliding piece to move along the extending direction of the second sliding piece, so that the second insert moves up and down obliquely along the die opening direction.
The third core pulling assembly further comprises a third driving device, a third sliding piece and a third positioning seat, wherein the third sliding piece is connected to the third positioning seat in a sliding manner and is connected with the third driving device, a third sliding groove is formed in the third sliding piece, extends along a curve and has different heights in the die opening direction; the other end of the third insert is provided with a third convex column which is inserted in the third sliding groove and can move along the extending direction of the third sliding groove, and the third driving device drives the third sliding piece to move along the extending direction of the third sliding piece, so that the third insert moves up and down obliquely along the die opening direction.
The further proposal is that the automobile plastic part core-pulling injection mold also comprises a fourth core-pulling component arranged at the second end of the cavity, the fourth core-pulling component comprises a fourth driving device, a fourth sliding part, a fourth positioning seat and a fourth insert, the fourth sliding piece is connected to the fourth positioning seat in a sliding manner and is connected with a fourth driving device, the fourth insert is connected to the end part of the fourth sliding piece, the fourth driving device can drive the fourth sliding piece and the fourth insert to move obliquely along the mold opening direction, and a first cooling water channel is formed in the fourth insert.
The further proposal is that both ends of the first cooling water channel penetrate out of one side wall of the fourth insert connected with the fourth sliding piece; two second cooling water channels are arranged in the fourth sliding part, two ends of each second cooling water channel penetrate out of two different side walls of the fourth sliding part respectively, and two ends of each first cooling water channel are communicated with the two second cooling water channels respectively.
The fourth insert is internally provided with a fifth insert, a second annular groove is formed between the fifth insert and the fourth insert, the second annular groove is communicated with the cavity, and the first cooling water channel is at least partially arranged around the second annular groove.
Drawings
FIG. 1 is a block diagram of an embodiment of an injection mold for core pulling of an automotive plastic part according to the present utility model.
FIG. 2 is a cross-sectional view of an embodiment of an injection mold for automotive plastic parts of the present utility model.
Fig. 3 is a block diagram of upper and lower mold cores and first view angles of respective core-pulling components in an embodiment of a core-pulling injection mold for an automobile plastic part according to the present utility model.
Fig. 4 is a structural diagram of upper and lower mold cores and second view angles of respective core-pulling components in an embodiment of a core-pulling injection mold for an automobile plastic part according to the present utility model.
Fig. 5 is an exploded view of upper and lower cores and respective core-pulling components in an embodiment of a core-pulling injection mold for an automotive plastic part according to the present utility model.
FIG. 6 is a block diagram of a diagonal draw bar core pulling assembly in an embodiment of an automotive plastic part core pulling injection mold of the present utility model.
Fig. 7 is an exploded view of a first core-pulling assembly in an embodiment of a core-pulling injection mold for an automotive plastic part according to the present utility model.
Fig. 8 is an exploded view of a second core-pulling assembly in an embodiment of the core-pulling injection mold for an automotive plastic part according to the present utility model.
Fig. 9 is an exploded view of a third core-pulling assembly in an embodiment of the core-pulling injection mold for an automotive plastic part according to the present utility model.
Fig. 10 is an exploded view of a fourth core-pulling assembly in an embodiment of the automotive plastic part core-pulling injection mold according to the present utility model.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 6, the present embodiment discloses a core-pulling injection mold for an automobile plastic part, which comprises an upper mold, an upper mold core 40, a lower mold core 50, a diagonal rod core-pulling assembly 1, a first core-pulling assembly 2, a second core-pulling assembly 3, a third core-pulling assembly 4 and a fourth core-pulling assembly 5. The upper die comprises a top plate 10, an upper die base 20 and an upper die plate 30 from top to bottom in sequence; the lower die includes a lower die plate 60, a bottom plate 70, two tie plates 80, and two die legs 90, both the tie plates 80 and the die legs 90 are disposed between the lower die plate 60 and the bottom plate 70, and the two tie plates 80 are disposed between the two die legs 90 in a stacked manner. A cavity for molding a product is provided between the upper core 40 and the lower core 50.
The diagonal rod core pulling assembly 1 is arranged on a lower die, the diagonal rod core pulling assembly 1 comprises a fixed seat 11, a middle connecting seat 12, a diagonal insert 13 and two diagonal rods 14, the fixed seat 11 is arranged on two base plates 80, the middle connecting seat 12 is arranged on the bottom wall of the lower die plate 60, the diagonal insert 13 is arranged in a lower die core 50, the diagonal rods 14 are respectively connected with the diagonal insert 13, the middle connecting seat 12 and the fixed seat 11, and the diagonal rods 14 extend obliquely along the die opening direction. When the die is opened, the inclined rod 14 can drive the inclined insert 13 to move along the vertical die opening direction, so that the inclined insert 13 is separated from a product. The two diagonal rods 14 are arranged in parallel, and each diagonal rod 14 is internally provided with a hollow channel 141, and the hollow channels 141 penetrate through two ends of the diagonal rod 14 along the extending direction of the diagonal rod 14. A cooling water channel is arranged in the inclined insert 13, and two ends of the cooling water channel are respectively communicated with the two hollow channels 141 so as to realize cooling water circulation of the inclined insert 13.
The shape and structure of the diagonal insert 13 are matched with the bone position structure in the middle of the product 100, and the middle of the cooling water path extends along the thickness and width of the diagonal insert 13, so that the whole diagonal insert 13 can be cooled uniformly. Both ends of the cooling water path penetrate out of the same side wall of the inclined insert 13 and form two mounting holes 131, and one end of the inclined rod 14 is connected in the corresponding mounting hole 131. The diagonal rod 14 and the mounting hole 131 may be connected by screw or snap.
The first core-pulling assembly 2, the second core-pulling assembly 3 and the third core-pulling assembly 4 are all arranged on the first end of the cavity. The first core-pulling assembly 2 is arranged on the lower die, and the second core-pulling assembly 3 and the third core-pulling assembly 4 are both arranged on the upper die.
Referring to fig. 7 in combination with fig. 4, the first core back assembly 2 includes a first driving device 21, a first positioning seat 22, a first slider 23, and a first insert 24, and the first insert 24 extends obliquely in the mold opening direction. The first positioning seat 22 is disposed at the outer side of the lower mold core 50 and extends obliquely along the vertical mold opening direction. The first positioning seat 22 is provided with a first positioning groove with a T-shaped section, and the first sliding piece 23 is slidably arranged in the first positioning groove and connected with the first driving device 21. The first positioning groove is arranged obliquely so that the first slider 23 is also inclined at an angle. The first sliding groove 231 is formed on a side wall of the first sliding member 23, the first sliding groove 231 extends along a curve, the first sliding groove 231 extends in a shape similar to a "letter" shape, the first sliding groove 231 includes a first smooth section 2311, an inclined section 2312 and a second smooth section 2313 which are sequentially connected and communicated, the first smooth section 2311 and the second smooth section 2313 are arranged in parallel, and the first smooth section 2311 and the second smooth section 2313 have different heights in a die opening direction.
The first end of the first insert 24 is provided with a first boss 241, and the first boss 241 is inserted into the first slide groove 231 and is movable along the extending direction of the first slide groove 231. The first driving device 21 drives the first slider 23 to move in the extending direction of the first positioning groove, so that the first insert 24 moves obliquely upward and downward in the mold opening direction. The second end of the first insert 24 is provided with a first arcuate slot 243.
The first cooling channel has been seted up to the inside of first mold insert 24, and the middle part of first cooling channel is close to first arc wall 243 and extends, and the same lateral wall of first mold insert 24 is all worn out at first cooling channel's both ends and forms two first connecting holes 242, easy to assemble connection inlet tube and outlet pipe.
Referring to fig. 8 in combination with fig. 4, the second core back assembly 3 includes a second driving device 31, a second positioning seat 32, a second slider 33, and a second insert 34, the second insert 34 extends obliquely in the mold opening direction, and the extending direction of the second insert 34 is parallel to the extending direction of the first insert 24. The second positioning seat 32 is arranged at the upper part of the upper die core 40, the second positioning seat 32 comprises two split seats 321, the two split seats 321 are provided with half positioning grooves, and the two half positioning grooves form a second positioning groove. The second sliding piece 33 is slidably disposed in the second positioning groove and connected to the second driving device 31, and a second chute 331 is formed on a side wall of one side of the second sliding piece 33, and the second chute 331 extends along a curve and has different heights in the mold opening direction. The structure of the second sliding groove 331 is the same as that of the first sliding groove 231, and will not be described herein.
The first end of the second insert 34 is provided with a second protruding column, and the second protruding column is inserted into the second sliding groove 331 and can move along the extending direction of the second sliding groove 331. The second driving device 31 drives the second slider 33 to move in the extending direction of the second positioning groove, so that the second insert 34 moves obliquely upward and downward in the mold opening direction. The second end of the second insert 34 is provided with a second arcuate slot 342, and the second arcuate slot 342 is disposed opposite the first arcuate slot 243 and is capable of forming a circular hole.
The second cooling channel is set up in the inside of second mold insert 34, and the middle part of second cooling channel is close to second arc wall 342 and extends, and the same lateral wall of second mold insert 34 is all worn out at second cooling channel's both ends and forms two second connecting holes 343, easy to assemble connection inlet tube and outlet pipe.
Referring to fig. 9, in combination with fig. 3 and 5, the third core back assembly 4 includes a third driving device 41, a third slider 42, a third positioning seat 43, and a third insert 44, and the mold opening direction of the third insert 44 is inclined. The third insert 44 is cylindrically shaped, and the third insert 44 is disposed between the first insert 24 and the second insert 34 with the same intersection point of the three. One end of the third insert 44 extends into the upper core 40 from the outer side of the upper core 40 and extends obliquely to the cavity, the first insert 24 and the second insert 34 are inserted into the upper core 40, the first arc-shaped groove 243 and the second arc-shaped groove 342 are respectively sleeved on the outer side of one end of the third insert 44 and form a first annular groove, and the first annular groove is communicated with the cavity. The third positioning seat 43 includes an upper seat 431 and two bases 432, the two bases 432 are adjacently disposed and form a V-shaped third positioning groove, the third sliding member 42 is slidably connected in the third positioning groove, the upper seat 431 is disposed above the third sliding member 42, and the third sliding member 42 is connected with the third driving device 41. A third sliding groove 421 is formed on a side wall of the third sliding member 42, and the third sliding groove 421 extends along a curve and has different heights in the mold opening direction, specifically, the third sliding groove 421 is formed in an approximately "letter" shape. The first end of the third insert 44 is provided with a third protrusion, which is inserted into the third slide groove 421 and can move along the extending direction of the third slide groove 421. The third driving device 41 drives the third slider 42 to move in the extending direction of the third positioning groove, so that the third insert 44 moves obliquely upward and downward in the mold opening direction.
A third cooling channel is formed in the third insert 44, the middle of the third cooling channel extends towards the second end of the third insert 44, and two ends of the third cooling channel penetrate out of the same side of the third insert 44 and form a third connecting hole 441, so that a water outlet pipe and a water inlet pipe are conveniently installed and connected.
Upon opening, the first insert 24, the second insert 34, and the third insert 44 are each able to move outwardly in their respective directions of extension to effect demolding.
Referring to fig. 3, 4 and 10, the fourth core back assembly 5 is disposed on the second end of the cavity obliquely in the mold opening direction. The fourth core back assembly 5 includes a fourth driving device 51, a fourth slider 52, a fourth positioning seat 53, and a fourth insert 54. The fourth positioning seat 53 is connected to the lower die plate 60, and a fourth positioning groove is formed in the fourth positioning seat 53 and extends obliquely along the die opening direction. The fourth slider 52 is slidably connected in the fourth positioning groove and is slidable along the extending direction of the fourth positioning groove, and the fourth slider 52 is connected to the fourth driving device 51. The fourth insert 54 is connected to an end portion of the fourth slider 52 remote from the fourth driving device 51, and the fourth driving device 51 can drive the fourth slider 52 and the fourth insert 54 to move obliquely in the mold opening direction.
The fourth insert 54 is provided with a first cooling water channel, both ends of the first cooling water channel penetrate through a side wall of the fourth insert 54 connected with the fourth sliding piece 52, and the middle part of the first cooling water channel extends towards the cavity direction.
Two independent second cooling water channels are formed in the fourth sliding piece 52, first ends of the second cooling water channels penetrate through the side wall of the fourth sliding piece 52 connected with the fourth insert 54 and form two first cooling water ports 521, and second ends of the second cooling water channels penetrate through the side wall adjacent to the side wall and form two second cooling water ports 522. Two ends of the first cooling water channel are respectively communicated with the two second cooling water channels. The fourth sliding member 52 is provided with an accessory 55 at one side thereof, the accessory 55 is provided with two third cooling water ports 551, the third cooling water ports 551 are communicated with the corresponding second cooling water ports 522, and a water inlet pipe and a water outlet pipe are connected to the two third cooling water ports 551. Of course, in other embodiments, the inlet pipe and the outlet pipe may be directly connected to the two second cooling water ports 522.
In this embodiment, a fifth insert 56 is further disposed in the fourth insert 54, the fifth insert 56 is columnar and embedded in the fourth insert 54, an end portion of the fifth insert 56 extends toward the cavity, a second annular groove is formed between one end of the fifth insert 56 and the fourth insert 54, and the second annular groove communicates with the cavity. In order to enhance the cooling effect of the fifth insert 56, the first cooling water passage is at least partially disposed around the second annular groove.
In summary, the inclined insert is arranged for forming the bone position in the automobile plastic part, the cooling water channel is formed in the inclined insert, and the hollow channel is formed in the inclined rod for realizing the circulation flow of cooling water in the inclined insert so as to quickly reduce the temperature of the inclined insert, and the cooling water channel of the inclined insert and the cooling water channel of the die core are arranged separately, so that the die core and the inclined insert can be ensured to be cooled simultaneously and uniformly, and the smooth demolding and the improvement of the product quality are facilitated.
Finally, it should be emphasized that the foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the utility model, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any modifications, equivalent substitutions, improvements, etc. are intended to be included within the scope of the present utility model.
Claims (10)
1. The utility model provides an automobile plastic spare injection mold of loosing core which characterized in that: the mold comprises an upper mold, an upper mold core, a lower mold core and an inclined rod core-pulling assembly, wherein a cavity is arranged between the upper mold core and the lower mold core;
the inclined rod core-pulling assembly comprises a fixed seat, a middle connecting seat, an inclined insert and two inclined rods, wherein the fixed seat and the middle connecting seat are all arranged in a lower die, the inclined insert is arranged in a lower die core, the inclined rods are respectively connected with the inclined insert, the middle connecting seat and the fixed seat, the inclined rods obliquely extend along the die opening direction, during die opening, the inclined rods can drive the inclined insert to move along the vertical die opening direction, each inclined rod is internally provided with a hollow channel in a penetrating mode, the inclined insert is internally provided with a cooling waterway, and two ends of the cooling waterway are respectively communicated with two hollow channels.
2. The automobile plastic part core-pulling injection mold according to claim 1, wherein:
the middle part of cooling water route is followed thickness and the width extension of diagonal insert, the both ends of cooling water route are all worn out same side lateral wall of diagonal insert and form two mounting holes, the one end of diagonal rod is connected respectively in two in the mounting hole.
3. The automobile plastic part core-pulling injection mold according to claim 1, wherein:
the automobile plastic part core-pulling injection mold further comprises a first core-pulling component, a second core-pulling component and a third core-pulling component which are all arranged on the first end of the cavity, wherein the first core-pulling component is arranged on the lower mold, and the second core-pulling component and the third core-pulling component are both arranged on the upper mold;
the first core pulling assembly comprises a first insert, the second core pulling assembly comprises a second insert, the third core pulling assembly comprises a third insert, the third insert is arranged between the first insert and the second insert, the first insert, the second insert and the third insert all extend obliquely along the mold opening direction, and the first insert, the second insert and the third insert all can move along the respective extending directions when the mold is opened, and cooling channels are formed in the first insert, the second insert and the third insert.
4. The automobile plastic part core-pulling injection mold according to claim 3, wherein:
the third mold insert is set to cylindric, the one end of first mold insert is provided with first arc wall, the one end of second mold insert is provided with the second arc wall, first arc wall with the second arc wall overlaps respectively and establishes the outside of third mold insert and form first annular groove, first annular groove with the die cavity intercommunication.
5. The automobile plastic part core-pulling injection mold according to claim 4, wherein:
the first core pulling assembly further comprises a first driving device, a first positioning seat and a first sliding piece, wherein the first sliding piece is arranged on the first positioning seat in a sliding manner and is connected with the first driving device, a first sliding groove is formed in the first sliding piece, and the first sliding groove extends along a curve and has different heights in the die opening direction;
the other end of the first insert is provided with a first convex column, the first convex column is inserted into the first sliding groove and can move along the extending direction of the first sliding groove, and the first driving device drives the first sliding piece to move along the extending direction of the first sliding piece, so that the first insert moves up and down obliquely along the die opening direction.
6. The automobile plastic part core-pulling injection mold according to claim 4, wherein:
the second core pulling assembly further comprises a second driving device, a second positioning seat and a second sliding piece, wherein the second sliding piece is arranged on the second positioning seat in a sliding manner and is connected with the second driving device, a second sliding groove is formed in the second sliding piece, extends along a curve and has different heights in the die opening direction;
the other end of the second insert is provided with a second convex column, the second convex column is inserted into the second sliding groove and can move along the extending direction of the second sliding groove, and the second driving device drives the second sliding piece to move along the extending direction of the second sliding piece, so that the second insert moves up and down obliquely along the die opening direction.
7. The automobile plastic part core-pulling injection mold according to claim 4, wherein:
the third core pulling assembly further comprises a third driving device, a third sliding piece and a third positioning seat, wherein the third sliding piece is connected to the third positioning seat in a sliding manner and is connected with the third driving device, a third sliding groove is formed in the third sliding piece, extends along a curve and has different heights in the die opening direction;
the other end of the third insert is provided with a third convex column, the third convex column is inserted into the third sliding groove and can move along the extending direction of the third sliding groove, and the third driving device drives the third sliding piece to move along the extending direction of the third sliding piece, so that the third insert moves up and down obliquely along the die opening direction.
8. The automobile plastic part core-pulling injection mold according to claim 1, wherein:
the automobile plastic part core-pulling injection mold further comprises a fourth core-pulling assembly arranged at the second end of the cavity, the fourth core-pulling assembly comprises a fourth driving device, a fourth sliding part, a fourth positioning seat and a fourth insert, the fourth sliding part is slidably connected to the fourth positioning seat and connected with the fourth driving device, the fourth insert is connected to the end part of the fourth sliding part, the fourth driving device can drive the fourth sliding part and the fourth insert to obliquely move along the mold opening direction, and a first cooling water channel is formed in the fourth insert.
9. The automobile plastic part core-pulling injection mold according to claim 8, wherein:
two ends of the first cooling water channel penetrate through a side wall of the fourth insert connected with the fourth sliding piece;
two second cooling water channels are arranged in the fourth sliding part, two ends of each second cooling water channel penetrate out of two different side walls of the fourth sliding part respectively, and two ends of each first cooling water channel are communicated with two second cooling water channels respectively.
10. The automobile plastic part core-pulling injection mold according to claim 8, wherein:
the novel mold comprises a mold cavity, and is characterized in that a fifth insert is further arranged in the fourth insert, a second annular groove is formed between the fifth insert and the fourth insert, the second annular groove is communicated with the mold cavity, and the first cooling water channel is at least partially arranged around the second annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524395.4U CN219256332U (en) | 2022-12-26 | 2022-12-26 | Core-pulling injection mold for automobile plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524395.4U CN219256332U (en) | 2022-12-26 | 2022-12-26 | Core-pulling injection mold for automobile plastic part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219256332U true CN219256332U (en) | 2023-06-27 |
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ID=86872729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223524395.4U Active CN219256332U (en) | 2022-12-26 | 2022-12-26 | Core-pulling injection mold for automobile plastic part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219256332U (en) |
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2022
- 2022-12-26 CN CN202223524395.4U patent/CN219256332U/en active Active
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